Home / 119,629.08-165,078.54-69,331.32

Finding the Fourth Proportional to 119,629.08, 165,078.54 and 69,331.32

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Solution

The fourth proportional to 119,629.08, 165,078.54 and 69,331.32 is: 95,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,629.08 : 165,078.54 = 69,331.32 : x
  2. Step 2: Convert to fraction form
    119,629.08/165,078.54 = 69,331.32/x
  3. Step 3: Cross multiply
    119,629.08x = 165,078.54 × 69,331.32
  4. Step 4: Simplify right side
    119,629.08x = 11,445,113,081.87
  5. Step 5: Solve for x
    x = 11,445,113,081.87/119,629.08
  6. Step 6: Final answer
    x = 95,671.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.